1380459980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{610823}}^1$

素因数の和:610945

約数の個数: 24

約数和(自身を含む): 2924625312

約数和(自身を除く): 1544165332

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 610823, 1221646, 2443292, 3054115, 6108230, 12216460, 69022999, 138045998, 276091996, 345114995, 690229990, 1380459980]

約数ペア:

[(1, 1380459980), (2, 690229990), (4, 345114995), (5, 276091996), (10, 138045998), (20, 69022999), (113, 12216460), (226, 6108230), (452, 3054115), (565, 2443292), (1130, 1221646), (2260, 610823)]